10-13-2013, 09:08 AM | #45 | |
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That was kind of my point!!
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10-13-2013, 10:14 AM | #46 |
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10-13-2013, 10:35 AM | #47 |
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I guess it's only really relevant if the warranty claim is large or not and how keen they are to find any tampering. I suppose at the end of the day it depends how well you get on with your dealer and how brave you feel?
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10-13-2013, 11:39 AM | #48 |
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Not sure how it works in the US, but normally larger warranty claims involving engine, transmission etc has to go to HQ/factory for final decissions... Smaller claims like a faulty switch etc is handled by the dealer (AFAIK).
I think that would be the problem, it's not up to the dealer to decide if your engine/trans failure is covered under warranty. They have to relay all info to BMW HQ, or have HQ look into the electronic logs etc. I know that on my car there was a problem with the electronics that the local dealer couldn't figure out. They transferred all of the data to the factory in Germany who found out it was a loose wire... Since warranties are covered by BMW and not the dealer, it's understandable that BMW HQ wants to make sure that if they pay for a new engine. or similar, then it's because of it being their fault. Not some aftermarket tune... They would rather check that for themselves than have a "friendly" dealer decide that BMW has to pay. After all, your service manager and dealership doesn't have to cover the warranty claim. Meaning that it might be easier for them to let BMW take the bill instead of risk loosing a customer that's not happy with their decision. That's also how the AC Schnitzer warranty works, BMW covers any warranty claim that is not related to the tune. Any failure related to the tune is AC Schnitzer's responsibility. Last edited by Boss330; 10-13-2013 at 11:45 AM.. |
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10-13-2013, 03:20 PM | #49 | |
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Yeah it wouldn't hurt me to pay that, but it would piss me off a lot - it's just not a good use of money. It's like car insurance - I have enough cash in the bank to pay for any claims including injury claims, but I'd rather not self insure.
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10-13-2013, 04:28 PM | #51 | |
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10-14-2013, 03:37 AM | #52 |
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My modding route on this car assuming tuner can figure the ECU out. Catless downpipes, club sport manifolds, and E85.
Also need better brakes for stopping power..
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10-14-2013, 05:03 AM | #53 | |
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10-14-2013, 09:14 AM | #54 | |
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On a turbo car it adds massive gains. Especially in mid range. With this attitude I'm surprised you didn't just go for a 550i If you going to tune, then ensure you are doing it with a reputable tuner and also that the speed governor and rev limiter are left untouched. BMW have no other way of detecting the tune without those parameters being exceeded. I did this on my last ESS supercharged E90 and when the car went in for quality inspection when everything was bolted off, they found nothing and it passed with flying colors Once you exceed the speed limited or rev limiter you can never erase without replacing the instrument cluster as well as clearing all other DME's Going over the governed 250 KPH and the factory RPM seems stupid anyway |
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10-14-2013, 10:08 AM | #55 | |
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But, what they look at during a service is just scratching the surface of what the DME have logged. The dealership won't normally have access to read and/or analyze that info however, and in a normal service situation don't need to anyway. But for a warranty claim involving, say, a engine replacement the dealership will have to turn to BMW HQ for a decision on whether this is a failure covered under warranty or if it's due to driver abuse/non-original software etc. That will be a MUCH more in-depth dive into the DME and engine than they do at a service. In fact, it would be rather stupid of any manufacturer not to create some sort of logging that will help them decide if someone has tuned their car. Otherwise they would risk having to cover failures that some wonky aftermarket tune might have caused... |
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10-15-2013, 12:58 AM | #57 | |
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10-15-2013, 11:39 PM | #59 |
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This is 110% wrong information. Sorry to call you out dude..
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10-15-2013, 11:41 PM | #60 | |
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10-16-2013, 02:44 AM | #61 |
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10-16-2013, 11:39 AM | #62 |
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10-16-2013, 12:39 PM | #64 |
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10-16-2013, 12:54 PM | #65 |
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wrong forum... maybe on a 3 series... different DME/ECU, different car, non M5
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10-16-2013, 01:35 PM | #66 | |
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http://www.e90post.com/forums/showpo...4&postcount=18 From what I understand there is a big difference between what your local garage can detect and what BMW HQ can detect from the software. And as the former service manager posted above, it seems like a lot of data is downloaded and relayed to BMW. |
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